Finding the Fourth Proportional to 100,156.70, 150,019.05 and 94,268.19
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Solution
The fourth proportional to 100,156.70, 150,019.05 and 94,268.19 is: 141,198.99
Step by Step Solution
- Step 1: Write the proportion equation
100,156.70 : 150,019.05 = 94,268.19 : x - Step 2: Convert to fraction form
100,156.70/150,019.05 = 94,268.19/x - Step 3: Cross multiply
100,156.70x = 150,019.05 × 94,268.19 - Step 4: Simplify right side
100,156.70x = 14,142,024,309.02 - Step 5: Solve for x
x = 14,142,024,309.02/100,156.70 - Step 6: Final answer
x = 141,198.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.